Recent activity by mudit23june

If A can do a certain amount of work in the same amount of time which B and C would take if they work together and If A and B work together then they can complete the sam...

Can someone explain answer for this question(26)?In a box, there are $8$ red, $7$ blue and $6$ green balls. One ball is picked up randomly. What is the probability that i...

If the roots, $x_{1}$ and $x_{2}$ of the quadratic equation $x^{2}-2x+c=0$ also satisfy the equation $7x_{2}-4x_{1}=47$, then which of the following is true? $c=-15$$x_{1...

The sum of the areas of two circles which touch each other externally is $153\pi$. If the sum of their radii is $15$, find the ratio of the larger to the smaller radius.$...

If $m$ and $n$ are integers divisible by $5$, which of the following is not necessarily true?$m–n$ is divisible $5$.$m^{2}-n^{2}$ is divisible by $25$.$m+n$ is divisible ...

AB is the diameter of the given circle, while points C and D lie on the circumference as shown. If AB is $15$ cm, AC is $12$ cm and BD is $9$ cm, find the area of the qua...

The value of each of a set of silver coins varies as the square of its diameter if thickness remains constant, and it varies as the thickness if the diameter remains cons...

The adjoining figure shows a set of concentric squares.If the diagonal of the innermost square is $2$ units, and if the distance between the corresponding corners of any ...

In a triangle $ABC$, points $P, Q$ and $R$ are the mid-points of the sides $AB, BC$ and $CA$ respectively. If the area of the triangle $ABC$ is $20$ sq units, find the ar...

In a rectangle, the difference between the sum of the adjacent sides and the diagonal is half the length of the longer side. What is the ratio of the shorter to the longe...

In the given figure, $EADF$ is a rectangle and $ABC$ is a triangle whose vertices lie on the sides of $EADF$. $AE = 22,BE = 6,CF = l6$ and $BF = 2$. Find the length of th...

$P$ and $Q$ are two integers such that $P \times Q = 64$. Which of the following cannot be the value of $P+Q$?$20$$65$$16$$35$

A candidate was asked to find $7/8$th of a positive number; he found $7/18$th of the same by mistake. If his answer was $770$ less than the correct one, then the original...

How many values of the natural number $n$ are possible so that the expression $(16n^{2}+7n+6)/n$ is also a natural number?Infinitely many$3$$4$None of thesed & c

After a discount of $11.11$%, a trader still makes a gain of $14.28$%. At how many percent above the cost price does he mark his goods?$28.56$% $35$%$22.22$%None of these